3-Hydroxy-2-methyl-4H-pyran-4-one Cas:118-71-8

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Product Description:

Product Name: 3-Hydroxy-2-methyl-4H-pyran-4-one CAS NO: 118-71-8

Synonyms:

2-methyl-3-hydroxy-4H-pyran-4-one;

4H-Pyran-4-one, 3-hydroxy-2-methyl-;

Chemical & Physical Properties:

Appearance: White crystalline powder

Assay :≥99.0%

Density: 1.348g/cm3

Boiling Point: 170℃ (10 mmHg)

Melting Point: 160-164℃

Flash Point: 127.3℃

Refractive Index: n20/D 1.541

Water Solubility: 1.2 g/100 mL (25℃)

Stability: Stable

Storage Condition: Store in a cool, dry place. Store in a tightly closed container.

Vapor Pressure: 0.000228mmHg at 25℃

Safety Information:

RTECS: UQ1050000

HS Code: 2932999099

WGK Germany: 3

Hazard Codes: Xn,Xi

Safety Statements: S26-S37/39

Risk Statements: R22; R36/37/38

3-hydroxy-2-methyl-4h-pyran-4-one (also named as Maltol, Larixinic acid, Palatone and Veltol) is a natural compound. Maltol is found in chicory, roasted malt, breads, milk, heated butter, uncured smoked pork, cocoa, coffee, roasted barley, roasted peanuts, roasted filbert, soybean, in the bark of larch tree, in pine needles, and in roasted malt (from which it gets its name) etc. It has the odor of cotton candy and caramel. Maltol has a warm, sweet, fruity odor and a jam-like odor in solution. It may be prepared by alkaline hydrolysis of streptomycin salts; also from piperidine to pyromeconic acid and subsequent methylation at the 2 position.

Maltol is widely used as flavor enhancer to improve mouthfeel and to enhance flavor of candy and baked foods in food production and of soft drinks in beverage industry. It is used as intermediate in pharmaceutical for medicine manufacturing. It is used as flavoring agent in cosmetic and personal care industries to enhance flavor. According to FEEDAP Panel, maltol is safe to be added to feed for all animal species at the normal use level of 5 mg/kg feed.

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Products under patent are offered for R & D purpose only. However, the final responsibility lies exclusively with the buyer.

Items of Analysis	Standard of Analysis	Test Results
Appearance	White Crystalline Powder	Conforms
Odor	Sweet Caramel	Conforms
Purity	>99.5%	99.97%
Melting Point	160-164℃	160.2-160.9℃
Heavy Metals	<10ppm	＜5ppm
Arsenic	<1ppm	None
Moisture	<0.5%	0.19
Lead	<0.001%	Conforms
Conclusion	Conform to the enterprise standard

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